Fedor Iwan den Hertog (born April 20, 1946 in Utrecht) is a is a Dutch cyclist. He became Olympic champion of the Team 100k Time Trial in the 1968 Oympics along with Joop Zoetemelk, René Pijnen and Jan Krekels. He also won the Dutch Road Race Championship in 1977. As an amateur, he was a menace to other cyclists as he won races in a prolific manner. His most outstanding performance remains the Rheinland-Pfalz tour in Germany in 1974, when he won all eight stages, leaving the competition utterly devastated. As a pro, he managed one Tour de France stage win in 1977, but soon retired as he could not settle in the professional ranks. Cycling has been contested at every Summer Olympic Games since the birth of the modern Olympic movement at the 1896 Summer Olympics. ... The 1968 Summer Olympics, officially known as the Games of the XIX Olympiad, were held in Mexico City in 1968. ... April 20 is the 110th day of the year in the Gregorian calendar (111th in leap years). ... 1946 (MCMXLVI) was a common year starting on Tuesday. ... Utrecht ( (help· info)) is a municipality and the capital city of the Dutch province of Utrecht. ... A cyclist is a person who engages in cycling whether as a sport or rides a bicycle for recreation or transportation. ... The five Olympic rings were designed in 1913, adopted in 1914 and debuted at the Games at Antwerp, 1920. ... Gerardus Joseph (Joop) Zoetemelk is a Dutch cyclist. ...